#281E5C#281E5C

#281E5C is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.8% C 0.106 H 285.0°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#281E5C
RGB	rgb(40, 30, 92)
HSL	hsl(250, 51%, 24%)
HSV	hsv(250, 67%, 36%)
CMYK	cmyk(56.5%, 67.4%, 0%, 63.9%)
CIE-LAB	lab(16.27, 23.55, -35.69)
CIE-LCH	lch(16.27, 42.76, 303.42°)
OKLab	oklab(28.81% 0.0274 -0.1024)
OKLCH	oklch(28.81% 0.106 285)
XYZ	xyz(3.2705, 2.1522, 10.3662)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E5C #525C1E

analogous

#1E335C #281E5C #471E5C

triadic

#281E5C #5C281E #1E5C28

tetradic

#281E5C #5C1E33 #525C1E #1E5C47

square

#281E5C #5C1E33 #525C1E #1E5C47

split-complementary

#281E5C #5C471E #335C1E

monochromatic

#0A0817 #140F2E #281E5C #3C2D8A #503CB8

Accessibility & contrast

On white

14.68

#281E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#281E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E5C

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E5C	#FFFFFF	#000000	##FFFFFF
##281E5C	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A5E

Deuteranopia (green-blind)

#00265B

Tritanopia (blue-blind)

#132D39

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #281e5c;
/* rgb */ color: rgb(40, 30, 92);
/* oklch */ color: oklch(28.8% 0.106 285.0);

Tailwind

colors: {
  custom: {
    50: '#685a8b',
    500: '#281e5c',
    950: '#000000',
  },
}

SCSS

$custom: #281e5c;
$custom-light: #685a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#281e5c",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 92
  },
  "hsl": {
    "h": 249.677,
    "s": 50.82,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28808,
    "c": 0.10597,
    "h": 285
  },
  "luminance": 0.02152
}

Semantic roles & 50–950 ramp

primary

#281E5C

secondary

#859145

accent

#DA4DC4

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06040C

muted

#7A797D

Preview Lab

Preview with #281E5C

Body copy rendered with the generated semantic roles for this colour.

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